# UMA M9 vs Tech2

The clearest difference is iOS requirement: UMA M9 at 11.0 against Tech2's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UMA M9 ships an update every 6 weeks, Tech2 every 3 months. The most recent releases landed on September 11, 2026 and June 26, 2026 respectively.

## The numbers

| Metric | UMA M9 | Tech2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uma-m9/id6450772085/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 117 MB | 52 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [UMA RACING SDN. BHD.](https://appshunter.io/developer/1403287201) | [ECU SHOP 1 COMPANY LIMITED](https://appshunter.io/developer/1389703440) |

## What reviewers say

### UMA M9

[App page](https://appshunter.io/ios/app/uma-m9/id6450772085)

This application connects to a specific engine control unit (ECU) to monitor engine data, read diagnostic trouble codes, and perform various engine tuning adjustments. It also allows for tuning map sharing and accessing cloud-based ECU firmware and calibration files.

**Highlights:** Engine data monitoring, Malf-code reading, Fuel adjustment, Engine tuning, Tuning map sharing, Cloud ECU firmware access

**Features:** macOS Compatibility

**In-app purchases:** none


### Tech2

[App page](https://appshunter.io/ios/app/tech2/id6479217144)

This utility app offers real-time tuning and configuration for various operational modes. It provides advanced customization options for ignition timing, fuel, and compensation, along with anti-theft protection and analysis features.

**Highlights:** Real-time tuning, Anti-theft protection, Multiple operation modes, Injector tuning, Ignition timing tuning, BARO compensation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UMA M9 free?

UMA M9 is free to download, with no in-app purchases.

### Is Tech2 free?

Tech2 is free to download, with no in-app purchases.

### Do UMA M9 or Tech2 have ads?

Neither UMA M9 nor Tech2 shows ads.

### Which is updated more often, UMA M9 or Tech2?

UMA M9 ships an update every 6 weeks, and Tech2 every 3 months. Most recently, UMA M9 was updated on September 11, 2026 and Tech2 on June 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*